Add helpdesk import progress, category model, article metadata columns, and ticket pagination controls

database/migrations/2026_04_29_001000_add_categories_and_article_metadata.php

@@ -0,0 +1,42 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::create('categories', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('external_id')->nullable()->unique();
+            $table->foreignId('parent_id')->nullable()->constrained('categories')->nullOnDelete();
+            $table->string('name');
+            $table->string('slug')->nullable();
+            $table->timestamps();
+
+            $table->index(['parent_id', 'name']);
+        });
+
+        Schema::table('articles', function (Blueprint $table) {
+            $table->string('source')->nullable()->after('content');
+            $table->string('source_url')->nullable()->after('source');
+            $table->unsignedBigInteger('source_article_id')->nullable()->after('source_url');
+            $table->foreignId('category_id')->nullable()->after('source_article_id')->constrained('categories')->nullOnDelete();
+            $table->foreignId('subcategory_id')->nullable()->after('category_id')->constrained('categories')->nullOnDelete();
+
+            $table->index('source_article_id');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('articles', function (Blueprint $table) {
+            $table->dropConstrainedForeignId('subcategory_id');
+            $table->dropConstrainedForeignId('category_id');
+            $table->dropColumn(['source', 'source_url', 'source_article_id']);
+        });
+
+        Schema::dropIfExists('categories');
+    }
+};